(a) A regulation or compatible development standard adopted under this subchapter does not apply to:
(1) a tract of land used for a single-family residence that is located outside the boundaries of a platted subdivision;
(2) a tract of land in agricultural use;
(3) an activity or a structure or appurtenance on a tract of land in agricultural use; or
(4) an area designated as part of the commission's territory under Section 397A.052 that is subject to the jurisdiction of a regulatory agency as defined by Section 245.001, and that, on the effective date of the Act adding this chapter, is:
(A) within the boundaries of a project as defined by Section 245.001 and any revision to the project that has accrued rights under Chapter 245;
(B) the subject of a permit as defined by Section 245.001 issued by or a permit application filed with a regulatory agency as defined by Section 245.001; or
(C) subject to a plan for development or plat application filed with a regulatory agency as defined by Section 245.001.
(b) In this section:
(1) "Agricultural use" means use or activity involving agriculture.
(2) "Agriculture" means:
(A) cultivating the soil to produce crops for human food, animal feed, seed for planting, or the production of fibers;
(B) practicing floriculture, viticulture, silviculture, or horticulture;
(C) raising, feeding, or keeping animals for breeding purposes or for the production of food, fiber, leather, pelts, or other tangible products having commercial value;
(D) planting cover crops, including cover crops cultivated for transplantation, or leaving land idle for the purpose of participating in a government program or normal crop or livestock rotation procedure; or
(E) engaging in wildlife management.
(c) A term used in this subchapter that is defined or used in Chapter 245 has the meaning assigned by Chapter 245.